package com.woniuxy02;

import java.util.Arrays;

/**
 * @author 作者
 * @create 2025-07-18 15:03
 */
public class Test03 {
    public static void main(String[] args) {
        int[] a = {1,31,24,5,6};
        double[] b=new double[10];
        System.out.println(Arrays.toString(a));
        //  [I@4eec7777
        //  [一维数组 I整型  @和内存地址有关
        System.out.println(a);
        System.out.println(b);
        int[][] c=new int[10][10];
        System.out.println(c);


        int[] m=new int[3];
//        int[] y;
//        System.out.println(y);
        int[] x=null;
        System.out.println(x);

        System.out.println(x[0]);
    }
}
